Newborn society of fetal urology grade 3 hydronephrosis is equivalent to preserved percentage differential function

Abstract Purpose In newborn hydronephrosis (HN), the level of differential function (%df) measured by diuretic renography (DR) is used to judge the need for pyeloplasty. As DR testing is complex, we sought to determine if grading the level of HN (Society of Fetal Urology grade, SFU Gr) by a simple u...

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Bibliographic Details
Published in:Journal of pediatric urology 2007-10, Vol.3 (5), p.382-386
Main Authors: Erickson, Bradley A, Maizels, Max, Shore, Richard M, Pazona, Joseph F, Hagerty, Jennifer A, Yerkes, Elizabeth B, Chaviano, Antonio H, Kaplan, William E, Cheng, Earl Y
Format: Article
Language:English
Subjects:
Diuretic renal scan
Hydronephrosis
Infant
Pediatrics
Ultrasound
Urology
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Summary:Abstract Purpose In newborn hydronephrosis (HN), the level of differential function (%df) measured by diuretic renography (DR) is used to judge the need for pyeloplasty. As DR testing is complex, we sought to determine if grading the level of HN (Society of Fetal Urology grade, SFU Gr) by a simple ultrasound correlates with percentage differential function (%df) and thereby obviates the need to perform DR. Materials and methods Between 1990 and 2003 our institution prospectively enrolled all cases of fetal HN who showed unilateral newborn SFU Gr HN ≥3. The cases underwent standardized testing. DR was done using the method of Well-Tempered Renography which was then followed by ultrasound (US). The US studies were performed while the hydration induced by DR was in effect. The level of %df was categorized as preserved (≥40%) or reduced (
ISSN:1477-5131
1873-4898
DOI:10.1016/j.jpurol.2007.01.196